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Compatibility about this Cable:
This PCIe Dual 8Pin GPU power cable is compatible with Corsair Type 3 RM Gold fully modular power. Such as RM1000, RM850, RM750, RM650, RM550, RM450 (yellow label, model number in white color.)
Mix use cable may cause damage. Not for modular powers of other brands and models.
Please compare the pin layout with your cable. There is an empty pin of PSU 8Pin connector, which is normal and default design, not a defective cable. The PCIe 8Pin could be used as 6pin or 8pin by sliding on/off the 2pin, fully fits GPU card with 6pin or 8pin or 6+8pin.
Description
Interface: PSU 8Pin to PCIe Dual 6+2 8Pin
Length: around 60+20CM
Cable Gauge: adopt AWM UL1007 18AWG standard tin-plated copper wire with nylon sleeved net.
Norminal Voltage: 300V
Temperature Range: -30°C ~ 80°C
Number of Inner Wires: 34 PCS
Package List: 1x PCIe Dual 8Pin 6+2Pin GPU Power Cable for Corsair RM GOLD modular powers.
Features
1. Benefits of tinned copper wire: protects against corrosion; extends the Life of the Cable; easy to solder; same conductivity as bare copper wires.
2. Flat cable with nylon braided net have a nicer looking and greater flexibility allowing tighter folding and good management of cables.
3. Compatible with GPU video card that has 8pin, 6pin or 8pin+6pin power socket. Support power at most 800W for GTX1080, GTX1080Ti, RTX2060, RTX2070, RTX2080, RTX2080Ti, RTX3060, RTX3070, RTX3080 Ti, RTX3090 Ti, RTX4060. RTX4080, RTX4090, RX570, RX580, RX590, RX5700 XT, RX6700 XT, RX6800 XT, RX6900 XT, etc.
Installation
1. The 7Pin port [PSU side] can only be inserted into the PCIe socket of modular power supply.
2. The 6+2 PIN [PCIE] port can be directly inserted into the graphics card or into the female port of a standard female-to-male PCIE extension cable.
3. The above installation method is the only correct way. Please confirm before and after installation.
Questions:
Q 1: Why is its [PSU] interface only 7Pin?
A: please notice that the one that came with the PSU has a double wired pin on the left and so there is an empty pin on the right. Because the graphics card power supply only needs 3Pins 12V signals. The other 5 Pins are GND signals.
Q 2: Can I use it power for CPU?
A: No! Although the CPU interface in the power panel is shared with the PCIE interface.
Q 3: Does it work with other brands of module power supplies?
A: No, it only compatible with modular powers mentioned above